[draft] Proposed answer to DanC's comment on untested hooks

Original comment:
http://lists.w3.org/Archives/Public/www-qa/2005Feb/0015.html

As a response to the proposal, the QA Working Group decided to include
in its Good Practice regarding extensibility mechanisms a technique on
this topic:
   When designing for extensibility, it can get complicated. Points to
   consider that can affect design decisions include, but are definitely
   not limited to, the following topics [...]
   * Avoid "untested hooks": if an extensibility mechanism is defined,
     make sure it is well tested during the implementation phase;
     experience has shown that untested extensibility just doesn't work

http://www.w3.org/QA/Group/2005/02/qaframe-spec/#extensions-prohibited-gp

Dom
-- 
Dominique Hazaël-Massieux - http://www.w3.org/People/Dom/
W3C/ERCIM
mailto:dom@w3.org